508973270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{12589}}^1$

素因数の和:12920

約数の個数: 32

約数和(自身を含む): 989876160

約数和(自身を除く): 480902890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 3110, 4043, 8086, 12589, 20215, 25178, 40430, 62945, 125890, 163657, 327314, 818285, 1636570, 3915179, 7830358, 19575895, 39151790, 50897327, 101794654, 254486635, 508973270]

約数ペア:

[(1, 508973270), (2, 254486635), (5, 101794654), (10, 50897327), (13, 39151790), (26, 19575895), (65, 7830358), (130, 3915179), (311, 1636570), (622, 818285), (1555, 327314), (3110, 163657), (4043, 125890), (8086, 62945), (12589, 40430), (20215, 25178)]